Maintaining proper tire pressure is essential for safety, fuel efficiency, and extending the life of your tires. Find the right tire pressure for your car using the BAR to PSI conversion table available at Tire Streets.

Tire pressure is commonly measured in BAR, PSI, and kPa. In the United States, PSI, or pounds per square inch, is the most common tire pressure measurement used on tire gauges, air compressors, and vehicle tire pressure labels.

Use this BAR to PSI conversion guide to quickly convert pressure from bar to PSI and check your tire pressure with confidence. To convert BAR to PSI, multiply the BAR value by 14.504.

BAR to PSI formula:
Bar × 14.504 = PSI

Let’s understand BAR pressure and how to convert BAR to PSI below.

What is BAR pressure?

BAR pressure is a metric unit used to measure pressure, equivalent to 100,000 Pascals. It represents the force exerted by a fluid per unit area, similar to the force of a 10-meter column of water.

BAR is commonly used for tire pressure in many countries outside the United States. If you are reading an imported vehicle manual, setup guide, or tire pressure chart that uses BAR, this page helps you convert that pressure into PSI.

How to convert BAR to PSI

Converting BAR to PSI is a simple process. 1 Bar is approximately equivalent to 14.504 PSI. So, the BAR to PSI formula is:

Bar × 14.504 = PSI

For example, 2.5 BAR to PSI is 36.26 PSI. This is calculated using the formula:

2.5 BAR × 14.504 = 36.26 PSI

And if you have a pressure of 2.2 BAR, the equivalent pressure in PSI would be 31.91 PSI.

2.2 BAR × 14.504 = 31.91 PSI

For quick reference, use the full BAR to PSI conversion table from Tire Streets below.

When does BAR to PSI conversion help?

BAR to PSI conversion is helpful when your vehicle, owner’s manual, pressure chart, tire setup guide, tire gauge, or air compressor uses a different pressure unit than the one you need.

You might need this conversion if you purchased a vehicle from another country, are reading a metric tire pressure guide, or are comparing tire pressures across different measurement systems. It is also useful when checking your tire pressure at home, at a gas station, before a long highway trip, or before a track day, drift event, or off-road drive.

For everyday driving in the US, start with the cold tire pressure recommended by your vehicle manufacturer. This is usually listed on the Tire and Loading Information Label inside the driver-side door area or in your owner’s manual.

Your tire sidewall is also important. It shows key tire information such as tire size, load rating, speed rating, and maximum cold inflation rating. Think of the sidewall as tire-specific information, while the vehicle label gives you the recommended starting point for regular driving.

If you are already checking your tire pressure, it is also a good time to check tread condition and confirm your tire size. The tire size printed on the sidewall is one of the easiest ways to search by tire size on Tire Streets when it is time for a replacement set.

BAR to PSI Conversion Table

 

BAR (Bar)	PSI (Pound per square inch)
1.3 bar to psi	18.86 psi
1.4 bar to psi	20.31 psi
1.5 bar to psi	21.76 psi
1.6 bar to psi	23.21 psi
1.7 bar to psi	24.66 psi
1.8 bar to psi	26.11 psi
1.9 bar to psi	27.56 psi
2 bar to psi	29.01 psi
2.1 bar to psi	30.46 psi
2.2 bar to psi	31.91 psi
2.3 bar to psi	33.36 psi
2.4 bar to psi	34.81 psi
2.5 bar to psi	36.26 psi
2.6 bar to psi	37.71 psi
2.7 bar to psi	39.16 psi
2.8 bar to psi	40.61 psi
2.9 bar to psi	42.06 psi
3 bar to psi	43.51 psi
3.1 bar to psi	44.96 psi
3.2 bar to psi	46.41 psi
3.3 bar to psi	47.86 psi
3.4 bar to psi	49.31 psi
3.5 bar to psi	50.76 psi
3.6 bar to psi	52.21 psi
3.7 bar to psi	53.66 psi
3.8 bar to psi	55.12 psi
3.9 bar to psi	56.57 psi
4 bar to psi	58.02 psi
4.1 bar to psi	59.47 psi
4.2 bar to psi	60.92 psi
4.3 bar to psi	62.37 psi
4.4 bar to psi	63.82 psi
4.5 bar to psi	65.27 psi
4.6 bar to psi	66.72 psi
4.7 bar to psi	68.17 psi
4.8 bar to psi	69.62 psi
4.9 bar to psi	71.07 psi
5 bar to psi	72.52 psi
5.1 bar to psi	73.97 psi
5.2 bar to psi	75.42 psi
5.3 bar to psi	76.87 psi
5.4 bar to psi	78.32 psi
5.5 bar to psi	79.77 psi
5.6 bar to psi	81.22 psi
5.7 bar to psi	82.67 psi
5.8 bar to psi	84.12 psi
5.9 bar to psi	85.57 psi
6 bar to psi	87.02 psi
6.1 bar to psi	88.47 psi
6.2 bar to psi	89.92 psi
6.3 bar to psi	91.38 psi
6.4 bar to psi	92.83 psi
6.5 bar to psi	94.28 psi
6.6 bar to psi	95.73 psi
6.7 bar to psi	97.18 psi
6.8 bar to psi	98.63 psi
6.9 bar to psi	100.08 psi
7 bar to psi	101.53 psi
8 bar to psi	116.03 psi
9 bar to psi	130.54 psi
10 bar to psi	145.04 psi

BAR to PSI Conversion Chart

Keeping tires at the correct pressure is one of the simplest ways to improve both safety and fuel efficiency. While most US vehicles and tire gauges use PSI, some vehicle manuals, imported vehicles, portable compressors, and setup guides may list tire pressure in BAR. Rather than reaching for a calculator every time you check your tires, this BAR to PSI conversion chart lets you see the equivalent pressures at a glance.

Use the BAR to PSI conversion chart when you’re topping up at a gas station, checking your pressure at home, preparing for a long highway trip, or getting ready for a track, drift, or off-road session. Simply locate the BAR reading recommended by your vehicle manufacturer or setup guide and follow the row across to find the matching PSI value.

The chart covers common pressure ranges used on everyday cars, SUVs, trucks, and performance vehicles, so you can rely on it whether you’re commuting daily or heading out for a more demanding drive. Save the chart to your phone or print a copy to keep in your glove box or garage for quick reference. Having an easy visual guide means you spend less time checking numbers and more time on the road with confidence that your tires are inflated correctly.

Checking tire pressure before you drive

Check tire pressure when your tires are cold. A cold tire pressure reading is usually taken before driving or after the vehicle has been parked long enough for the tires to cool down. If your tire pressure is lower than recommended, add air until it matches the recommended cold pressure for your vehicle. If the pressure is too high, release air slowly and recheck with an accurate gauge.

If your vehicle has TPMS, it is still worth checking your tire pressure manually. TPMS is helpful, but it may only warn you once a tire is significantly underinflated.

While you’re checking tire pressure, take a quick look at your tread, sidewalls, and overall tire condition. If your tires are worn, damaged, or no longer right for the way you drive, Tire Streets makes it easy to search by tire size and compare options for daily driving, drift, track, off-road, SUVs, trucks, and more. Before you buy, you can also check current Tire Streets promotions for available offers, sign-up savings, and eligible bulk-buy discounts on larger tire orders.

Frequently Asked Questions About BAR to PSI Conversion

• How do you convert 1 BAR to PSI?

1 BAR = 14.504 PSI. So, the formula to convert 1 BAR to PSI is:

1 BAR × 14.504 = 14.504 PSI

• Is 1 bar 10 PSI?

No. 1 bar is not 10 PSI. The correct conversion is 1 bar = 14.504 PSI. If you are converting tire pressure from BAR to PSI, multiply the BAR value by 14.504. For example, 2 bar equals 29.01 PSI, while 2.5 bar equals 36.26 PSI. Using 10 PSI as the conversion would give an incorrect tire pressure reading.

• Is 3 bar 30 PSI?

No. 3 bar is not 30 PSI. Using the correct BAR to PSI conversion, 3 bar equals 43.51 PSI. The formula is BAR × 14.504 = PSI, so 3 × 14.504 = 43.51. For comparison, 30 PSI is approximately 2.07 bar. Always use the correct conversion when checking or adjusting tire pressure.

• 1 PSI equals how many BAR?

1 PSI = 0.0689475729 BAR. To convert PSI to BAR, divide the PSI value by 14.504 or multiply it by 0.0689475729.

• What is BAR or PSI?

Both BAR and PSI are units used to measure pressure. BAR is more common in countries that use the metric system, while PSI is the standard tire pressure measurement used in the United States.

• Should I use BAR or PSI for tire pressure?

Use whichever unit your vehicle, tire gauge, or air compressor uses. In the United States, PSI is the most common tire pressure unit. If your guide or manual lists pressure in BAR, use the conversion formula:

BAR × 14.504 = PSI

• Where do I find the right tire pressure for my vehicle?

For everyday driving, check the Tire and Loading Information Label on the driver-side door area or your owner’s manual. This is where you’ll usually find your vehicle manufacturer’s recommended cold tire pressure.

• Why do people use BAR instead of PSI?

People use BAR instead of PSI because BAR is a metric pressure unit commonly used in many countries outside the United States. Vehicle manuals, tire pressure charts, air compressors, and imported vehicles may list tire pressure in BAR. In the US, PSI is more common, so converting BAR to PSI helps drivers read pressure recommendations correctly and use standard US tire gauges.

• Is it okay to inflate tires to the max PSI?

For everyday driving, you should usually start with the recommended cold tire pressure listed by your vehicle manufacturer, not the maximum PSI shown on the tire sidewall. The sidewall PSI is part of the tire’s rating information and shows the tire’s maximum cold inflation pressure. Your vehicle label or owner’s manual gives the recommended pressure for normal driving, load, and handling.